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Author Topic: pioneer car stereo KEH-P7450  (Read 1078 times)

Offline charlie

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pioneer car stereo KEH-P7450
« on: May 26, 2010, 09:20:30 AM »
need ko lng po terminal marking ng mga wiring 16 leads ang terminal 8 sa taas 8 sa baba........salamat
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pioneer car stereo KEH-P7450
« on: May 26, 2010, 09:20:30 AM »

Offline Woots29

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Re: pioneer car stereo KEH-P7450
« Reply #1 on: May 26, 2010, 09:27:43 AM »
wala bang wires yan sir?
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Re: pioneer car stereo KEH-P7450
« Reply #1 on: May 26, 2010, 09:27:43 AM »

Offline pete

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Re: pioneer car stereo KEH-P7450
« Reply #2 on: May 26, 2010, 09:32:05 AM »
ito yata ang connector ng panel antay mo si sir danny
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Re: pioneer car stereo KEH-P7450
« Reply #2 on: May 26, 2010, 09:32:05 AM »

Offline charlie

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Re: pioneer car stereo KEH-P7450
« Reply #3 on: May 26, 2010, 08:28:30 PM »
Quote from: Woots29 on May 26, 2010, 09:27:43 AM
wala bang wires yan sir?
walang wire baka sikwat hehehe
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Re: pioneer car stereo KEH-P7450
« Reply #3 on: May 26, 2010, 08:28:30 PM »

Offline pete

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Re: pioneer car stereo KEH-P7450
« Reply #4 on: May 27, 2010, 08:29:22 AM »
para sa supply at speaker ba ang kailangan mo?
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Re: pioneer car stereo KEH-P7450
« Reply #4 on: May 27, 2010, 08:29:22 AM »

Offline danny

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Re: pioneer car stereo KEH-P7450
« Reply #5 on: May 27, 2010, 09:00:59 AM »
wala na akong makitang schematic nito
medyo luma na kasi
pwede naman ma trace ito
kahit walang schematic
nakasulat sa pcb ang function ng bawat pin
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danny

Offline Triple_D

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Re: pioneer car stereo KEH-P7450
« Reply #6 on: May 27, 2010, 12:24:37 PM »
wala po ba wiring connection sa ilalim ng casing nya?
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Offline charlie

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Re: pioneer car stereo KEH-P7450
« Reply #7 on: May 27, 2010, 07:46:09 PM »
Quote from: danny on May 27, 2010, 09:00:59 AM
wala na akong makitang schematic nito
medyo luma na kasi
pwede naman ma trace ito
kahit walang schematic
nakasulat sa pcb ang function ng bawat pin
mga sir wala mga tanda sa ilalim ng pcb. ok naman yung b+ at ground kaso yung remote saka yung memory di ko makapa.....
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Offline charlie

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Re: pioneer car stereo KEH-P7450
« Reply #8 on: May 27, 2010, 07:46:57 PM »
Quote from: pete on May 27, 2010, 08:29:22 AM
para sa supply at speaker ba ang kailangan mo?
yes sir [power at speaker
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Offline johanna

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Re: pioneer car stereo KEH-P7450
« Reply #9 on: May 28, 2010, 12:14:56 AM »
sa spkr sundan mo lng ecaps 470uf....
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Offline pete

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Re: pioneer car stereo KEH-P7450
« Reply #10 on: May 28, 2010, 08:03:51 AM »
pag power supply kadalasan 2 wire yan, hanapin mo ang ecap na mataas ang rating lagay mo + supply tapus ang - lagay mo nalang sa ground body.
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Offline danny

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Re: pioneer car stereo KEH-P7450
« Reply #11 on: May 28, 2010, 10:09:49 AM »
may mga 2 amp na rectifier diode iyan
usually naka reverse siya serve as protection
madali lang trace iyan talga
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danny

Offline starex

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Re: pioneer car stereo KEH-P7450
« Reply #12 on: May 28, 2010, 12:34:47 PM »
buksan nalang po ang car stereo
may marking po sa loob yan
 
ACC
back up
ILL
power antenna b+
+speaker L
+speaker R
- speaker (mostly common ground) ingat lang baka floating ground po ang out nyan
 makatulong lang po ng kaunti sana ito
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Offline charlie

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Re: pioneer car stereo KEH-P7450
« Reply #13 on: May 28, 2010, 01:17:55 PM »
Quote from: starex on May 28, 2010, 12:34:47 PM
buksan nalang po ang car stereo
may marking po sa loob yan
 
ACC
back up
ILL
power antenna b+
+speaker L
+speaker R
- speaker (mostly common ground) ingat lang baka floating ground po ang out nyan
 makatulong lang po ng kaunti sana ito

sir un una ko ginawa kaso wala mga markings
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Offline charlie

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Re: pioneer car stereo KEH-P7450
« Reply #14 on: May 28, 2010, 01:20:10 PM »
Quote from: charlie on May 28, 2010, 01:17:55 PM
sir un una ko ginawa kaso wala mga markings
ok na b+ ground at speakers un memory saka remote lng problem ko
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Offline starex

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Re: pioneer car stereo KEH-P7450
« Reply #15 on: May 28, 2010, 01:25:44 PM »
ganito po ng sundan nyo

chassis -ground for negative (anode ng diode)
positive supply sa + filter capacitor (cathode ng diode)

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Philippine Electronics Forum

Re: pioneer car stereo KEH-P7450
« Reply #15 on: May 28, 2010, 01:25:44 PM »
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